ResearchRouting table, RPKI, IRR & looking glass

AS51377 CoMaSys ApS

AS51377 (COMASYS) is registered to CoMaSys ApS in DK. It originates 6 prefixes in the global routing table.

5
IPv4 prefixes
1
IPv6 prefixes
1,280
IPv4 addresses
100%
RPKI valid

Who holds AS51377

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS51377
Handle
COMASYS
Organization
CoMaSys ApS
Country
DK
ASPA
None published

What AS51377 announces

Prefixes originated by AS51377 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
1
IPv4 addresses
1,280 (5 /24s)
RPKI valid
6 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS51377
4
With an IRR route object
6 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (5)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS51377 is reached through

The AS just before AS51377 in the paths our looking glass collectors hold, for 6 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPECOMASYSRIPE-NCC-END-MNT, LIR-DK-COMASYS1-1-MNT

Route objects with origin AS51377: RIPE 9

as-sets that list AS51377 (7)